Meanwhile, President U Win Myint chaired a coordination meeting on Myanmar's international relations, national security, Rakhine state and border security issues at the Presidential Palace on Monday following the incident.

The meeting was attended by State Counselor Aung San Suu Kyi, two vice presidents and Min Aung Hlaing, the commander-in-chief of the Myanmar armed forces, among others.

The presidential office has instructed to reinforce the security forces in the conflicted areas, U Zaw Htay said.

Meanwhile, Myanmar's National Human Rights Commission (NHRC) condemned on Sunday the recent attacks by the AA on the four border police outposts as acts of terrorism, which caused negative impact on the peace and stability in the state and significantly affecting the national reconciliation and peace process.